diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c6d01b2..6206d42 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v6"
+        uses: "actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1" # v7.0.1
         with:
           fetch-depth: 2